Effect of molten pool and vapor/plasma plume dynamic behavior of laser-induction hybrid welding on weld formation of S690QL steel
Optics & Laser Technology(2022)
Abstract
•Weld joint geometry and microstructure processed by LW and LIHW were compared.•Dynamic behaviors of molten pool and vapor/plasma plume of LW and LIHW were observed.•The alternating magnetic field and the keyhole of LW and LIHW were considered.•Weld formation mechanisms were revealed.
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Key words
LIHW,Dynamic behaviors,Keyhole,Weld formation,Mechanism
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